2:25 minutes
Problem 3a
Textbook Question

Which of the following was probably an important factor in bringing about the Cambrian explosion? (A) the movement of animals onto land (B) an increase in the concentration of atmospheric nitrogen (C) the emergence of predator-prey relationships (D) the origin of bilaterian animals

Verified Solution
This video solution was recommended by our tutors as helpful for the problem above.
Was this helpful?

Watch next

Master Overview of Animals - 1 with a bite sized video explanation from Jason Amores Sumpter

Start learning